import logging
from datetime import datetime, date
from typing import Optional, List

from fastapi import APIRouter, Depends, Query, Path
from pydantic import BaseModel, Field
from sqlalchemy import text
from sqlalchemy.exc import SQLAlchemyError
from sqlalchemy.orm import Session

from commons.BaseResponse import BaseResponse
from commons.PaginationBase import PaginationBase
from datebase import get_db
from utils.EncryptionUtil import oauth2_scheme, EncryptionMiddleware

ret_head_router = APIRouter(prefix="/retHead", tags=["物料采购退货管理"], dependencies=[Depends(oauth2_scheme)])


class RetSearch(PaginationBase):
    fsiteNo: str  = Field(None,description="客户编号")
    ftakedateStart: str = Field(None,description="开始时间")
    ftakedateEnd: str = Field(None,description="结束时间")
    fretuser: str = Field(None,description="采购人员")
    fstockno: str = Field(None,description="仓库编号")
    fsupno: str = Field(None,description="供应商编号")
    fbillno: str = Field(None,description="单号")
    fbillstate: str = Field(None,description="单据状态(1:待确认/2:已确认/8:已作废)")


@ret_head_router.get("/list", summary="查询物料采购退货信息")
def list_ret_head(ret: RetSearch = Query(), db: Session = Depends(get_db)):
    param = {}
    sql = "select count(1) from lims.m_tc_ret_head where 1=1"
    if ret.fsiteNo is not None:
        sql = sql + " and fsite_no = :site_no "
        param["site_no"] = ret.fsiteNo
    if ret.fbillno is not None:
        sql = sql + " and fbillno like concat('%', :fbillno ,'%')"
        param["fbillno"] = ret.fbillno
    if ret.fretuser is not None:
        sql = sql + " and fretuser = :fretuser "
        param["fretuser"] = ret.fretuser
    if ret.fsupno is not None:
        sql = sql + " and fsupno = :fsupno "
        param["fsupno"] = ret.fsupno
    if ret.fstockno is not None:
        sql = sql + " and fstockno = :fstockno "
        param["fstockno"] = ret.fstockno
    if ret.fbillstate is not None:
        sql = sql + " and fbillstate = :fbillstate "
        param["fbillstate"] = ret.fbillstate
    if (ret.ftakedateStart is not None) and (ret.ftakedateEnd is not None):
        sql = sql + " and to_char(fretdate,'yyyymmdd') between :ftakedateStart and :ftakedateEnd "
        param["ftakedateStart"] = ret.ftakedateStart
        param["ftakedateEnd"] = ret.ftakedateEnd

    count = db.execute(text(sql), param).scalar()

    param = {}
    sql = "select fbillno,fstockno,fsite_no,fretuser,fretdate,fsupno,fitemcount,fpiececount,ftotalamt,"
    sql = sql + " fsrcbillno,fexplanation,fupddate,foperator,fcheckdate,fcheckuser,fbillstate,fbilltype"
    sql = sql + " from lims.m_tc_ret_head where 1=1"
    if ret.fsiteNo is not None:
        sql = sql + " and fsite_no = :site_no "
        param["site_no"] = ret.fsiteNo
    if ret.fbillno is not None:
        sql = sql + " and fbillno like concat('%', :fbillno ,'%')"
        param["fbillno"] = ret.fbillno
    if ret.fretuser is not None:
        sql = sql + " and fretuser = :fretuser "
        param["fretuser"] = ret.fretuser
    if ret.fsupno is not None:
        sql = sql + " and fsupno = :fsupno "
        param["fsupno"] = ret.fsupno
    if ret.fstockno is not None:
        sql = sql + " and fstockno = :fstockno "
        param["fstockno"] = ret.fstockno
    if ret.fbillstate is not None:
        sql = sql + " and fbillstate = :fbillstate "
        param["fbillstate"] = ret.fbillstate
    if (ret.ftakedateStart is not None) and (ret.ftakedateEnd is not None):
        sql = sql + " and to_char(fretdate,'yyyymmdd') between :ftakedateStart and :ftakedateEnd "
        param["ftakedateStart"] = ret.ftakedateStart
        param["ftakedateEnd"] = ret.ftakedateEnd
    if ret.order == "sesc":
        sql = sql + " order by  fretdate,fbillno desc "
    else:
        sql = sql + " order by  fretdate,fbillno "
    sql = sql + " limit :limit offset :offset"
    param["offset"] = ret.offset
    param["limit"] = ret.limit

    data = db.execute(text(sql), param).fetchall()

    # details 明细列表
    param = {}
    sql_3 = " select b.fbillno,b.fline,b.fmaterialno,b.fbuyprice,b.fqty,b.ftotamt,b.fmemo,b.fprocdate"
    sql_3 = sql_3 + " from lims.m_tc_ret_head a,lims.m_tc_ret_detail b where a.fbillno=b.fbillno "
    if ret.fsiteNo is not None:
        sql_3 = sql_3 + " and a.fsite_no = :site_no "
        param["site_no"] = ret.fsiteNo
    if ret.fbillno is not None:
        sql_3 = sql_3 + " and a.fbillno like concat('%', :fbillno ,'%')"
        param["fbillno"] = ret.fbillno
    if ret.fretuser is not None:
        sql_3 = sql_3 + " and a.fretuser = :fretuser "
        param["fretuser"] = ret.fretuser
    if ret.fsupno is not None:
        sql_3 = sql_3 + " and a.fsupno = :fsupno "
        param["fsupno"] = ret.fsupno
    if ret.fstockno is not None:
        sql_3 = sql_3 + " and a.fstockno = :fstockno "
        param["fstockno"] = ret.fstockno
    if ret.fbillstate is not None:
        sql_3 = sql_3 + " and a.fbillstate = :fbillstate "
        param["fbillstate"] = ret.fbillstate
    if (ret.ftakedateStart is not None) and (ret.ftakedateEnd is not None):
        sql_3 = sql_3 + " and to_char(a.fretdate,'yyyymmdd') between :ftakedateStart and :ftakedateEnd "
        param["ftakedateStart"] = ret.ftakedateStart
        param["ftakedateEnd"] = ret.ftakedateEnd
    sql_3 = sql_3 + " order by b.fbillno,b.fline"
    data_detail = db.execute(text(sql_3), param).fetchall()

    data_list = []
    for key in range(len(data)):
        d1 = {}
        d1['fbillno'] = data[key][0]
        d1['fstockno'] = data[key][1]
        d1['fsiteno'] = data[key][2]
        d1['fretuser'] = data[key][3]
        d1['fretdate'] = data[key][4]
        d1['fsupno'] = data[key][5]
        d1['fitemcount'] = data[key][6]
        d1['fpiececount'] = data[key][7]
        d1['ftotalamt'] = data[key][8]
        d1['fsrcbillno'] = data[key][9]
        d1['fexplanation'] = data[key][10]
        d1['fupddate'] = data[key][11]
        d1['foperator'] = data[key][12]
        d1['fcheckdate'] = data[key][13]
        d1['fcheckuser'] = data[key][14]
        d1['fbillstate'] = data[key][15]
        d1['fbilltype'] = data[key][16]
        sbillno = data[key][0]

        detail_list = []
        for j1 in range(len(data_detail)):
            if (str(data_detail[j1][0]) == str(sbillno)):
                d2 = {}
                d2['fbillno'] = data_detail[j1][0]
                d2['fline'] = data_detail[j1][1]
                d2['fmaterialno'] = data_detail[j1][2]
                d2['fbuyprice'] = float(data_detail[j1][3])
                d2['fqty'] = float(data_detail[j1][4])
                d2['ftotamt'] = float(data_detail[j1][5])
                d2['fmemo'] = data_detail[j1][6]
                d2['fprocdate'] = data_detail[j1][7]
                detail_list.append(d2)

        d1["details"] = detail_list
        data_list.append(d1)

    info_dict = {"list": data_list, "limit": ret.limit, "page": ret.pageIndex,
                 "pages": (count + ret.limit - 1) // ret.limit,
                 "total": count}
    return BaseResponse.success(data=info_dict)


class ReturnDetailCreate(BaseModel):
    """耗材退货明细创建模型"""
    fline: int = Field(..., description="行号")
    fmaterialno: str = Field(..., description="物料编号")
    fmaterialname: str = Field(..., description="物料名称")
    fbuyprice: float = Field(..., description="采购单价")
    fqty: float = Field(..., description="数量")
    ftotamt: float = Field(..., description="总金额")
    fprocdate: date = Field(..., description="处理日期")


class ReturnHeaderCreate(BaseModel):
    """耗材退货表头创建模型"""
    fbillno: str = Field(..., description="退货单号")
    fsiteNo: str = Field(..., description="站点编号")
    fretuser: str = Field(..., description="退货人")
    fretdate: date = Field(..., description="退货日期")
    fstockno: str = Field(..., description="仓库编号")
    fsupno: str = Field(..., description="供应商编号")
    fexplanation: Optional[str] = Field("", description="退货说明")
    details: List[ReturnDetailCreate] = Field(..., description="退货明细列表")


@ret_head_router.post("/create", summary="新增耗材退货")
def create_ret_head(ret: ReturnHeaderCreate, db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)):
    try:
        fitemcount = 0
        fpiececount = 0
        ftotalamt = 0
        fbillno = ret.fbillno
        user_id = EncryptionMiddleware.get_current_user(token)
        # 返回内容
        d1 = {}
        detail_list = []
        with db.begin():
            jsondata = ret.details
            for data in jsondata:
                sql = "insert into lims.m_tc_ret_detail(fbillno,fline,fmaterialno,fbuyprice,fqty,ftotamt,fprocdate,fmemo)"
                sql = sql + " values( :fbillno , :fline , :fmaterialno , :fbuyprice , :fqty , :ftotamt , :fprocdate ,'')"
                db.execute(text(sql), {
                    "fbillno": fbillno,
                    "fline": data.fline,
                    "fmaterialno": data.fmaterialno,
                    "fbuyprice": data.fbuyprice,
                    "fqty": data.fqty,
                    "ftotamt": data.ftotamt,
                    "fprocdate": data.fprocdate,
                })
                fitemcount = fitemcount + 1
                fpiececount = fpiececount + data.fqty
                ftotalamt = ftotalamt + data.ftotamt

                # 返回明细
                d2 = {}
                d2['fbillno'] = fbillno
                d2['fline'] = data['fline']
                d2['fmaterialno'] = data['fmaterialno']
                d2['fmaterialname'] = data['fmaterialname']
                d2['fbuyprice'] = float(data['fbuyprice'])
                d2['fqty'] = float(data['fqty'])
                d2['ftotamt'] = float(data['ftotamt'])
                d2['fmemo'] = ""
                d2['fprocdate'] = data['fprocdate']
                detail_list.append(d2)
            sql = "insert into lims.m_tc_ret_head(fbillno,fsite_no,fretuser,fretdate ,fstockno,fsupno,fitemcount,fpiececount,ftotalamt ,fexplanation,fupddate,foperator,fbillstate,fbilltype)"
            sql = sql + " values( :fbillno , :fsiteNo , :fretuser , :fretdate , :fstockno , :fsupno , :fitemcount , :fpiececount , :ftotalamt , :fexplanation ,now(), :fretuser ,1,1)"

            db.execute(text(sql), {
                "fbillno": fbillno,
                "fsiteNo": ret.fsiteNo,
                "fretuser": ret.fretuser,
                "fretdate": ret.fretdate,
                "fstockno": ret.fstockno,
                "fsupno": ret.fsupno,
                "fitemcount": fitemcount,
                "fpiececount": fpiececount,
                "ftotalamt": ftotalamt,
                "fexplanation": ret.fexplanation,
            })
            # 返回
            d1['fbillno'] = fbillno
            d1['fsiteno'] = ret.fsiteNo
            d1['fretuser'] = ret.fretuser
            d1['fretdate'] = ret.fretdate
            d1['fstockno'] = ret.fstockno
            d1['fsupno'] = ret.fsupno
            d1['fitemcount'] = fitemcount
            d1['fpiececount'] = fpiececount
            d1['ftotalamt'] = float(ftotalamt)
            d1['fsrcbillno'] = ""
            d1['fexplanation'] = ""
            d1['fupddate'] = ret.fretdate
            d1['foperator'] = ret.fretuser
            d1['fcheckdate'] = None
            d1['fcheckuser'] = None
            d1['fbillstate'] = 1
            d1['fbilltype'] = 1
            d1["details"] = detail_list
            return BaseResponse.success(data=d1)
    except SQLAlchemyError as e:
        # 发生异常时自动回滚
        db.rollback()
        # 记录错误日志
        logging.error(f"数据库错误: {str(e)}")
        # 返回错误响应
        return BaseResponse.error(message="数据库操作失败")
    except Exception as e:
        db.rollback()
        logging.error(f"未知错误: {str(e)}")
        return BaseResponse.error(message="令牌过期")


@ret_head_router.post("/update", summary="修改耗材退货")
def update_ret_head(ret: ReturnHeaderCreate, db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)):
    try:
        fitemcount = 0
        fpiececount = 0
        ftotalamt = 0
        fbillno = ret.fbillno
        user_id = EncryptionMiddleware.get_current_user(token)
        with db.begin():
            sql = "delete from lims.m_tc_ret_detail where fbillno= :fbillno "
            db.execute(text(sql), {"fbillno": fbillno})
            jsondata = ret.details
            for data in jsondata:
                sql = "insert into lims.m_tc_ret_detail(fbillno,fline,fmaterialno,fbuyprice,fqty,ftotamt,fprocdate,fmemo)"
                sql = sql + " values( :fbillno , :fline , :fmaterialno , :fbuyprice , :fqty , :ftotamt , :fprocdate ,'')"
                db.execute(text(sql), {
                    "fbillno": fbillno,
                    "fline": data.fline,
                    "fmaterialno": data.fmaterialno,
                    "fbuyprice": data.fbuyprice,
                    "fqty": data.fqty,
                    "ftotamt": data.ftotamt,
                    "fprocdate": data.fprocdate,
                })
                fitemcount = fitemcount + 1
                fpiececount = fpiececount + data.fqty
                ftotalamt = ftotalamt + data.ftotamt

            sql = "update lims.m_tc_ret_head "
            sql = sql + " set fstockno= :fstockno ,fsupno= :fsupno ,fexplanation= :fexplanation "
            sql = sql + ",fitemcount= :fitemcount ,fpiececount= :fpiececount ,ftotalamt= :ftotalamt "
            sql = sql + ",fupddate=now(),foperator= :userid "
            sql = sql + " where fbillno= :fbillno "
            db.execute(text(sql), {
                "fbillno": fbillno,
                "fstockno": ret.fstockno,
                "fsupno": ret.fsupno,
                "fexplanation": ret.fexplanation,
                "fitemcount": fitemcount,
                "fpiececount": fpiececount,
                "ftotalamt": ftotalamt,
                "userid": user_id
            })
            return BaseResponse.success()
    except SQLAlchemyError as e:
        # 发生异常时自动回滚
        db.rollback()
        # 记录错误日志
        logging.error(f"数据库错误: {str(e)}")
        # 返回错误响应
        return BaseResponse.error(message="数据库操作失败")
    except Exception as e:
        db.rollback()
        logging.error(f"未知错误: {str(e)}")
        return BaseResponse.error(message="令牌过期")


@ret_head_router.post("/delete/{fbillno}", summary="删除耗材退货记录")
def delete_ret_head(fbillno: str = Path(description="单号"), db: Session = Depends(get_db)):
    try:
        with db.begin():
            sql = "select count(1) from lims.m_tc_ret_head where fbillno= :fbillno and fbillstate>1"
            count = db.execute(text(sql), {"fbillno": fbillno}).scalar()
            if count > 0:
                return BaseResponse.error(message="该订单不能删除")
            sql = "delete from lims.m_tc_ret_detail where fbillno= :fbillno "
            db.execute(text(sql), {"fbillno": fbillno})
            sql = "delete from lims.m_tc_ret_head where fbillno= :fbillno "
            db.execute(text(sql), {"fbillno": fbillno})
            return BaseResponse.success()
    except SQLAlchemyError as e:
        # 发生异常时自动回滚
        db.rollback()
        # 记录错误日志
        logging.error(f"数据库错误: {str(e)}")
        # 返回错误响应
        return BaseResponse.error(message="数据库操作失败")
    except Exception as e:
        db.rollback()
        logging.error(f"未知错误: {str(e)}")
        return BaseResponse.error(message="令牌过期")
